code: def get_doc_metadata(self, doc):
      return Counter()
  
file_path: scattertext/scattertext/features/FeatsFromSpacyDoc.py
imports: from collections import Counter
  from itertools import chain
  import pandas
label_desc: Use image node_id 3 for calling the FeatsFromSpacyDoc obj's underlying member method code with example usage: obj.get_doc_metadata(doc) and returns: Counter